Beef up testContext to check that we can lock coordinates to specific value. Fails now because of a bug. This reproduces the issue reported by Tim Dorn while testing beta4.
Beef up testContext to check that we can lock coordinates to specific value. Fails now because of a bug. This reproduces the issue reported by Tim Dorn while testing beta4.

git-svn-id: 9e047e1e624cce0a2485e750063112e834f85522@7434 fc29be9c-2cb0-420d-b520-73dbd18add6e

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core